/* Components: topbar + dock, buttons, chips, mac window chrome,
   toolbar, cards, masonry, carousel, lightbox/preview. */

/* --- Topbar --- */
.topbar {
  position: sticky;
  top: 12px;
  z-index: calc(var(--z-content) + 5);
  max-width: 1180px;
  margin: 12px auto 26px;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  white-space: nowrap;
  padding-left: 8px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 9px;
  color: var(--ink-on-accent);
  background: var(--accent);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: -0.06em;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.35) inset, 0 5px 14px rgba(var(--accent-rgb), 0.3);
}

.brand .year {
  color: var(--ink-lo);
  font-weight: 600;
}

/* Wall toolbar & Liquid Glass Search Box */
.wall-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 14px;
  margin-bottom: 24px;
  border-radius: var(--r-md);
  flex-wrap: wrap;
}

.search-box {
  position: relative;
  min-width: 180px;
  max-width: 280px;
  flex: 1;
}

.search-box input {
  width: 100%;
  padding: 7px 14px;
  border-radius: 999px;
  background: var(--glass-fill);
  border: 1px solid var(--glass-border);
  color: var(--ink-hi);
  font-size: 0.86rem;
  outline: none;
  transition: border-color var(--t-fast) var(--ease-out), box-shadow var(--t-fast) var(--ease-out);
}

.search-box input::placeholder {
  color: var(--ink-lo);
}

.search-box input:focus {
  border-color: rgba(var(--accent-rgb), 0.6);
  box-shadow: 0 0 10px rgba(var(--accent-rgb), 0.22);
  background: var(--glass-fill-strong);
}

/* Dock-style nav (skeuomorphic hint of the macOS dock). */
.dock {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
  padding: 6px;
  border-radius: 999px;
  box-shadow: var(--neu-out);
}

.dock a,
.dock button.dock-item {
  padding: 8px 16px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--ink-mid);
  transition: background var(--t-fast) var(--ease-out), color var(--t-fast) var(--ease-out),
    transform var(--t-fast) var(--ease-out);
}

.dock a:hover,
.dock button.dock-item:hover {
  color: var(--ink-hi);
  background: var(--glass-fill-strong);
  transform: translateY(-1px);
}

.dock a[aria-current='page'] {
  color: var(--accent);
  background: var(--accent-soft);
  box-shadow: 0 0 0 1px rgba(var(--accent-rgb), 0.35) inset;
}

.dock button.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: 50%;
  font-size: 1.05rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--glass-border);
  color: var(--ink-hi);
  cursor: pointer;
  box-shadow: var(--neu-out);
  transition: all var(--t-fast) var(--ease-out);
}

.dock button.theme-toggle:hover {
  transform: scale(1.08);
  background: var(--accent-soft);
  border-color: rgba(var(--accent-rgb), 0.35);
}

/* Signed-in user name display (non-admin; no link, just identity). */
.dock-user {
  padding: 8px 16px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--ink-hi);
}

/* Hamburger (mobile) */
.menu-btn {
  display: none;
  margin-left: auto;
  width: 44px;
  height: 44px;
  border-radius: var(--r-sm);
  position: relative;
  /* Solid glass background so bars are always visible against the topbar */
  background: var(--glass-fill-strong);
  border: 1.5px solid var(--glass-border);
  box-shadow: var(--neu-out);
  flex-shrink: 0;
}

.menu-btn span,
.menu-btn span::before,
.menu-btn span::after {
  content: '';
  position: absolute;
  left: 11px;
  right: 11px;
  height: 2.5px;
  border-radius: 3px;
  background: var(--ink-hi);
  transition: transform var(--t-med) var(--ease-out), opacity var(--t-fast);
}

.menu-btn span {
  top: 50%;
  margin-top: -1.25px;
}

.menu-btn span::before {
  top: -8px;
  left: 0;
  right: 0;
}

.menu-btn span::after {
  top: 8px;
  left: 0;
  right: 0;
}

.menu-btn:hover {
  background: var(--glass-fill);
  border-color: rgba(var(--accent-rgb), 0.4);
}

.menu-btn[aria-expanded='true'] span {
  transform: rotate(45deg);
}

.menu-btn[aria-expanded='true'] span::before {
  opacity: 0;
  transform: translateX(-6px);
}

.menu-btn[aria-expanded='true'] span::after {
  transform: rotate(-90deg) translateX(8px);
}

/* --- Buttons: liquid glass on light --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: var(--r-sm);
  font-weight: 650;
  font-size: 0.95rem;
  background: var(--glass-fill-strong);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  backdrop-filter: blur(14px) saturate(150%);
  border: 1px solid var(--glass-border);
  box-shadow: var(--neu-out);
  transition: transform var(--t-fast) var(--ease-out), box-shadow var(--t-fast) var(--ease-out),
    filter var(--t-fast) var(--ease-out);
}

.btn:hover {
  filter: brightness(0.98);
}

.btn:active {
  transform: translateY(1px) scale(0.985);
  box-shadow: var(--neu-inset);
}

.btn.primary {
  background: linear-gradient(145deg, rgba(41, 151, 255, 0.92), rgba(0, 104, 214, 0.92));
  border-color: rgba(var(--accent-rgb), 0.4);
  color: #fff;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.35) inset,
    0 10px 24px rgba(var(--accent-rgb), 0.28);
}

.btn.danger {
  color: var(--danger);
}

.btn:disabled {
  opacity: 0.55;
  cursor: progress;
  transform: none;
}

/* --- Chips (category filters) --- */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink-mid);
  background: rgba(0, 0, 0, 0.04);
  border: 1px solid var(--glass-border);
  transition: all var(--t-fast) var(--ease-out);
}

.chip:hover {
  color: var(--ink-hi);
  background: rgba(0, 0, 0, 0.07);
}

.chip[aria-pressed='true'],
.chip.active {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: rgba(var(--accent-rgb), 0.45);
  box-shadow: 0 0 12px rgba(var(--accent-rgb), 0.12);
}

/* --- Toolbar --- */
.toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 12px 14px;
  margin-bottom: 22px;
}

.toolbar .spacer {
  flex: 1;
}

/* --- Hero (3D mounts inside) --- */
.hero {
  position: relative;
  min-height: 420px;
  border-radius: var(--r-xl);
  overflow: hidden;
  margin-bottom: 10px;
  background: linear-gradient(160deg, rgba(0, 0, 0, 0.02), rgba(0, 0, 0, 0.005) 55%);
  border: 1px solid var(--glass-border);
  box-shadow: var(--neu-out);
}

.hero-archive {
  min-height: 548px;
  isolation: isolate;
  background:
    radial-gradient(circle at 77% 45%, var(--aurora-blue), transparent 31%),
    radial-gradient(circle at 91% 8%, var(--aurora-violet), transparent 24%),
    var(--bg-1);
}

.hero-archive::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.8;
  background: linear-gradient(180deg, var(--glass-edge), transparent 45%);
}

.hero-archive::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  z-index: -1;
  background: linear-gradient(135deg, var(--aurora-teal), transparent 24%, transparent 72%, var(--aurora-violet));
}

.hero-canvas,
.hero-fallback {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-copy {
  position: absolute;
  left: clamp(20px, 5vw, 56px);
  top: 50%;
  transform: translateY(-50%);
  max-width: 460px;
  pointer-events: none;
  z-index: 4;
  padding: 28px 32px;
  border-radius: var(--r-lg);
  background: var(--glass-fill);
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  border: 1px solid var(--glass-border);
  box-shadow: var(--neu-out);
}

.hero-copy h1 {
  font-size: clamp(2rem, 5.5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.06;
  color: var(--ink-hi);
}

.hero-copy h1 .glass-word {
  color: var(--accent);
}

.hero-copy p {
  color: var(--ink-mid);
  margin: 14px 0 0;
  font-size: 1rem;
  line-height: 1.55;
}

.hero-action {
  display: block;
  pointer-events: auto;
  margin-top: 24px;
}

.hero-index {
  position: absolute;
  right: 26px;
  bottom: 24px;
  display: grid;
  gap: 2px;
  color: rgba(0, 0, 0, 0.38);
  font-size: 0.67rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  z-index: 2;
}

.hero-index span:first-child {
  color: var(--accent);
  font-weight: 800;
}

.hero-gridline {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 42%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent));
  opacity: 0.3;
}

.hero-mount {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

/* Canvas uses window-level pointermove for tilt — no need to capture clicks here */
.hero-mount canvas,
.hero-mount .hero-fallback {
  pointer-events: none;
}

.wall-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin: 54px 0 16px;
}

.wall-heading .section-title {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.4rem);
  letter-spacing: var(--display-tracking);
}

.wall-caption {
  margin: 4px 0 0;
  color: var(--ink-lo);
  font-size: 0.93rem;
}

.wall-count {
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.wall-toolbar {
  border-radius: var(--r-md);
  padding: 8px 14px;
  margin-bottom: 20px;
}

.view-toggle {
  padding: 9px 14px;
  font-size: 0.83rem;
}

.view-glyph {
  width: 15px;
  height: 15px;
  display: inline-block;
  background:
    linear-gradient(var(--ink-hi) 0 0) 0 0 / 6px 6px no-repeat,
    linear-gradient(var(--ink-hi) 0 0) 9px 0 / 6px 6px no-repeat,
    linear-gradient(var(--ink-hi) 0 0) 0 9px / 6px 6px no-repeat,
    linear-gradient(var(--ink-hi) 0 0) 9px 9px / 6px 6px no-repeat;
  opacity: 0.8;
}

/* --- Cards (photo tiles): white prints on the wall --- */
.photo-card {
  position: relative;
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--bg-1);
  border: 1px solid var(--hairline);
  box-shadow: var(--neu-out);
  cursor: zoom-in;
  transition: transform var(--t-med) var(--ease-out), box-shadow var(--t-med) var(--ease-out);
}

.photo-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.8) inset, 0 24px 50px rgba(0, 0, 0, 0.14);
}

.photo-card img {
  width: 100%;
  height: auto;
}

.photo-card figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 24px 10px 8px;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.75));
  font-size: 0.82rem;
  color: #ffffff;
  opacity: 0;
  transition: opacity var(--t-fast) var(--ease-out);
  pointer-events: none;
}

.photo-card:hover figcaption {
  opacity: 1;
}

@media (hover: none) {
  .photo-card figcaption {
    opacity: 1;
    padding: 16px 8px 6px;
    font-size: 0.75rem;
  }
}

/* --- Masonry Grid (Responsive Multi-Column Flex) --- */
.masonry {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  width: 100%;
}

.masonry-col {
  flex: 1 1 0%;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

@media (max-width: 1100px) {
  .masonry {
    gap: 14px;
  }
  .masonry-col {
    gap: 14px;
  }
}

@media (max-width: 720px) {
  .masonry {
    gap: 10px;
  }
  .masonry-col {
    gap: 10px;
  }
}

@media (max-width: 380px) {
  .masonry {
    gap: 8px;
  }
  .masonry-col {
    gap: 8px;
  }
}

.masonry .photo-card {
  display: block;
  width: 100%;
  margin: 0;
  content-visibility: auto;
  contain-intrinsic-size: 200px 250px;
}

/* --- Carousel (coverflow) --- */
.carousel {
  position: relative;
  overflow: hidden;
  padding: 36px 0;
  perspective: 1200px;
  min-height: 460px;
  display: flex;
  align-items: center;
  touch-action: pan-y;
  user-select: none;
  cursor: grab;
}

.carousel:active {
  cursor: grabbing;
}

.carousel-track {
  display: flex;
  align-items: center;
  gap: 24px;
  transition: transform var(--t-slow) var(--ease-out);
  will-change: transform;
  touch-action: pan-y;
  user-select: none;
}

.carousel .photo-card {
  flex: 0 0 clamp(340px, 46vw, 640px);
  aspect-ratio: 16 / 10;
  border-radius: var(--r-md);
  overflow: hidden;
  box-shadow: var(--neu-out);
  transform-style: preserve-3d;
  transition: transform var(--t-slow) var(--ease-out), filter var(--t-slow) var(--ease-out), box-shadow var(--t-slow) var(--ease-out);
  cursor: pointer;
  user-select: none;
  -webkit-user-drag: none;
}

.carousel .photo-card img,
.carousel .photo-card video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  user-select: none;
  -webkit-user-drag: none;
  pointer-events: none;
}

.carousel .photo-card.is-active {
  transform: scale(1.08) translateZ(36px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5), 0 0 0 2px var(--glass-border);
  z-index: 2;
  filter: none;
  opacity: 1;
}

.carousel .photo-card:not(.is-active) {
  filter: saturate(0.7) brightness(0.85);
  opacity: 0.55;
  transform: scale(0.92);
}

.carousel-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  margin-top: 18px;
}

.carousel-nav .btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 1.2rem;
  padding: 0;
}

.carousel-nav .btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  pointer-events: none;
}

/* --- Mac window (lightbox / preview chrome) --- */
.mac-window {
  position: fixed;
  z-index: var(--z-window);
  display: flex;
  flex-direction: column;
  width: min(980px, calc(100vw - 32px));
  height: min(680px, calc(100vh - 48px));
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) scale(0.96);
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--glass-fill-strong);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  backdrop-filter: blur(28px) saturate(180%);
  border: 1px solid var(--glass-border);
  box-shadow:
    0 1px 0 var(--glass-edge) inset,
    0 40px 90px rgba(0, 0, 0, 0.28);
  transition: opacity var(--t-med) var(--ease-out), transform var(--t-med) var(--ease-out), visibility var(--t-med);
}

.mac-window.open {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

/* Video badge */
.video-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.65);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  pointer-events: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.2);
  z-index: 3;
}

/* Folders Drawer */
.folders-drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  z-index: calc(var(--z-window) - 10);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-med) var(--ease-out);
}

.folders-drawer-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.folders-drawer {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: min(380px, calc(100vw - 32px));
  background: var(--glass-fill-strong);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  backdrop-filter: blur(28px) saturate(180%);
  border-right: 1px solid var(--glass-border);
  box-shadow: 10px 0 40px rgba(0, 0, 0, 0.35);
  z-index: var(--z-window);
  transform: translateX(-100%);
  transition: transform var(--t-med) var(--ease-out);
  display: flex;
  flex-direction: column;
  padding: 24px 20px;
  overflow-y: auto;
}

.folders-drawer.open {
  transform: translateX(0);
}

.folders-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--glass-border);
}

.folders-drawer-header h3 {
  font-size: 1.2rem;
  font-weight: 750;
  color: var(--ink-hi);
  display: flex;
  align-items: center;
  gap: 8px;
}

.folder-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.folder-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--r-sm);
  background: var(--glass-fill);
  border: 1px solid var(--glass-border);
  color: var(--ink-hi);
  cursor: pointer;
  transition: all var(--t-fast) var(--ease-out);
  user-select: none;
}

.folder-item:hover,
.folder-item.active {
  background: var(--accent-soft);
  border-color: rgba(var(--accent-rgb), 0.45);
  transform: translateX(3px);
}

.folder-item.dragover {
  background: rgba(var(--accent-rgb), 0.25);
  border-color: var(--accent);
  box-shadow: 0 0 16px rgba(var(--accent-rgb), 0.4);
  transform: scale(1.02);
}

.folder-icon {
  font-size: 1.3rem;
}

.folder-info {
  flex: 1;
  min-width: 0;
}

.folder-name {
  font-weight: 650;
  font-size: 0.95rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.folder-count {
  font-size: 0.78rem;
  color: var(--ink-lo);
}

.titlebar {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 40px;
  padding: 0 12px;
  background: linear-gradient(var(--titlebar-hi), var(--titlebar-lo));
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  user-select: none;
  flex: 0 0 auto;
}

.traffic-lights {
  display: flex;
  gap: 7px;
}

.traffic-lights button {
  width: 12.5px;
  height: 12.5px;
  border-radius: 50%;
  padding: 0;
  box-shadow: 0 0 2px rgba(0, 0, 0, 0.2) inset, 0 0 1px rgba(0, 0, 0, 0.15);
  transition: filter var(--t-fast);
}

.traffic-lights button:hover {
  filter: brightness(1.25);
}

.tl-close {
  background: var(--tl-close);
}

.tl-min {
  background: var(--tl-min);
}

.tl-zoom {
  background: var(--tl-max);
}

.titlebar .window-title {
  flex: 1;
  text-align: center;
  font-size: 0.86rem;
  font-weight: 650;
  color: var(--ink-mid);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.window-body {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.preview-stage {
  flex: 1;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.preview-stage img {
  max-width: calc(100% - 32px);
  max-height: calc(100% - 24px);
  border-radius: var(--r-sm);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
  transition: transform var(--t-fast) var(--ease-out);
  user-select: none;
  -webkit-user-drag: none;
}

.preview-stage video.preview-video {
  max-width: calc(100% - 16px);
  max-height: calc(100% - 16px);
  border-radius: var(--r-sm);
  background: #000;
}

.preview-stage iframe.preview-drive-iframe {
  width: 100%;
  height: 100%;
  min-height: 320px;
  border: none;
  border-radius: var(--r-sm);
  background: #000;
  display: block;
}

.preview-toolbar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px;
  border-top: 1px solid var(--hairline);
  flex: 0 0 auto;
}

.tool-btn {
  width: 40px;
  height: 36px;
  border-radius: var(--r-sm);
  font-size: 1rem;
  color: var(--ink-mid);
  background: rgba(0, 0, 0, 0.035);
  box-shadow: var(--neu-out);
  transition: all var(--t-fast) var(--ease-out);
}

.tool-btn:hover {
  color: var(--ink-hi);
}

.tool-btn:active {
  box-shadow: var(--neu-inset);
}

/* Filmstrip */
.filmstrip {
  display: flex;
  gap: 8px;
  padding: 10px 12px;
  overflow-x: auto;
  border-top: 1px solid var(--hairline);
  flex: 0 0 auto;
  scrollbar-width: thin;
}

.filmstrip img {
  height: 52px;
  width: auto;
  border-radius: 8px;
  opacity: 0.55;
  cursor: pointer;
  transition: opacity var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
}

.filmstrip img:hover {
  opacity: 0.85;
}

.filmstrip img.current {
  opacity: 1;
  box-shadow: 0 0 0 2px var(--accent), 0 0 16px rgba(var(--accent-rgb), 0.4);
  transform: translateY(-2px);
}

/* --- Footer --- */
.site-footer {
  text-align: center;
  color: var(--ink-lo);
  font-size: 0.82rem;
  padding: 30px 0 40px;
}

/* --- Responsive --- */
@media (max-width: 720px) {
  /* --- Topbar on mobile --- */
  .topbar {
    top: 0;
    margin: 0 0 16px;
    padding: 10px 14px;
    border-radius: 0 0 var(--r-md) var(--r-md);
    border-top: none;
    z-index: calc(var(--z-content) + 10);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.16);
  }

  .menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  /* --- Dock dropdown (hamburger menu panel) --- */
  .dock {
    position: absolute;
    top: calc(100% + 6px);
    right: 8px;
    left: 8px;
    flex-direction: column;
    align-items: stretch;
    border-radius: var(--r-md);
    background: var(--glass-fill-strong);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid var(--glass-border);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.28);
    padding: 8px;
    gap: 4px;
    display: none;
    min-width: 0;
  }

  .dock.open {
    display: flex;
  }

  .dock a,
  .dock button.dock-item {
    padding: 12px 16px;
    border-radius: var(--r-sm);
    text-align: left;
    font-size: 1rem;
  }

  .dock button.theme-toggle {
    width: auto;
    height: auto;
    border-radius: var(--r-sm);
    padding: 12px 16px;
    font-size: 1rem;
    text-align: left;
    justify-content: flex-start;
    gap: 10px;
  }

  /* --- Hero on mobile (compact & proportional) --- */
  .hero {
    min-height: 250px;
  }

  .hero-archive {
    min-height: 290px;
  }

  .hero-copy {
    position: relative;
    left: auto;
    top: auto;
    transform: none;
    max-width: none;
    margin: 14px 10px 0;
    padding: 16px 18px;
    z-index: 4;
  }

  .hero-copy h1 {
    font-size: clamp(1.8rem, 8vw, 2.4rem);
  }

  .hero-copy p {
    font-size: 0.9rem;
    margin: 8px 0 0;
  }

  .hero-action {
    margin-top: 14px;
    padding: 8px 16px;
    font-size: 0.88rem;
  }

  .hero-mount {
    opacity: 0.45;
  }

  /* --- Wall / gallery --- */
  .wall-heading {
    align-items: start;
    flex-direction: column;
    gap: 4px;
    margin-top: 20px;
    margin-bottom: 12px;
  }

  .wall-heading .section-title {
    font-size: 1.6rem;
  }

  .wall-count {
    margin: 0;
    font-size: 0.82rem;
  }

  /* --- Compact Wall toolbar on mobile (clean 2-row layout) --- */
  .wall-toolbar {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    margin-bottom: 14px;
    border-radius: var(--r-md);
  }

  .wall-toolbar #folders-btn {
    grid-column: 1;
    grid-row: 1;
    padding: 7px 11px;
    font-size: 0.82rem;
    white-space: nowrap;
  }

  .wall-toolbar .search-box {
    grid-column: 2 / -1;
    grid-row: 1;
    max-width: none;
    min-width: 0;
  }

  .wall-toolbar .search-box input {
    font-size: 1rem; /* Prevents iOS auto-zoom on input focus */
    padding: 7px 12px;
  }

  .wall-toolbar .chips {
    grid-column: 1 / 3;
    grid-row: 2;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 0;
  }

  .wall-toolbar .chips::-webkit-scrollbar {
    display: none;
  }

  .wall-toolbar .spacer {
    display: none;
  }

  .wall-toolbar .btn.view-toggle {
    grid-column: 3;
    grid-row: 2;
    justify-self: end;
    padding: 7px 12px;
    font-size: 0.82rem;
    white-space: nowrap;
  }

  /* --- Masonry on mobile: smooth native scroll without jank --- */
  .masonry {
    display: flex;
    gap: 8px;
  }

  .masonry-col {
    gap: 8px;
  }

  .masonry .photo-card {
    content-visibility: visible;
    contain-intrinsic-size: auto;
    margin: 0;
    border-radius: var(--r-sm);
  }

  /* --- Carousel on mobile: compact, responsive, swipe-friendly --- */
  .carousel {
    padding: 12px 0;
    min-height: 240px;
    perspective: none;
    touch-action: pan-y;
  }

  .carousel-track {
    gap: 12px;
    touch-action: pan-y;
  }

  .carousel .photo-card {
    flex: 0 0 min(250px, 72vw);
    aspect-ratio: 4 / 3;
    max-height: 260px;
    border-radius: var(--r-md);
    transform-style: flat;
  }

  .carousel .photo-card.is-active {
    transform: scale(1.02);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
  }

  .carousel .photo-card:not(.is-active) {
    transform: scale(0.93);
    opacity: 0.45;
  }

  .carousel-nav {
    margin-top: 8px;
    gap: 12px;
  }

  .carousel-nav .btn {
    width: 38px;
    height: 38px;
  }

  /* --- Mac window (preview / lightbox) --- */
  .mac-window {
    width: calc(100vw - 16px);
    height: min(calc(100vh - 24px), calc(100dvh - 24px));
  }

  /* Tighter iframe min-height on mobile so filmstrip + toolbar have room */
  .preview-stage iframe.preview-drive-iframe {
    min-height: 200px;
  }

}

/* Extra-small screens (≤ 420px) */
@media (max-width: 420px) {
  main {
    padding: 0 10px 60px;
  }

  .hero-copy {
    margin: 10px 6px 0;
    padding: 14px 14px;
  }
}